Insulating-block for building purposes.



J. E. HOWE, DECD.

F. D. Hows. AnMlNlsTRATRlx.

INSULATING BLOCK FOR BUILDING PURPOSES.

APPLICATION FILED MAY 9, 1908.

Patented Feb. 22,1916.

State of New l0 felt, asbestos,

UNITED sTATEs PATENT oEEroE.

JOHN E. HOWE, OF NEW YORK, N. Y.; FLORENCE D. HOWE ADMINISTRATRIX OF SAID I JOHN E. HOWE, DECEASED.

INSULATING-BLOCK FOR BUILDING PURPOSES.

Specification of Letters Patent.

Application led May 9, 1908. Serial No. 431,955.

To all whom it may concern:

Be it known that I, JOHN-E. HowE, a citizen of the United States, and resident of the borough of Manhattan, city, county, and York, have invented certain new and useful Improvements in Insulating- Blocks for Building Purposes, of which the following is a specification accompanied by drawings.

This invention relates to improvements 1n insulating blocks for building purposes, and the objects of the invention are to improve upon the construction of such blocks and increase the effectiveness of their insulation as regards the transmission of heat, cold and sound. These blocks or unit elements are particularly adapted for use in partitions, ceilings or floors, although they may be used wherever found applicable, as for instance, for boiler and duct coverings, pipe coverings and for insulating linin s.

Further objects of the lnvention will hereinafter appear and the invention consists of the insulating block or unit elements substantially as hereinafter fully described and claimed in this specification and shown in the accompanying drawings, in which- Figure 1 is a sectional view of a block embodying the invention; Fig. 2 is a sectional View of a modification of Fig. 1; and Figs. 3 and 4 are sectional views of further modifcations.

Referring to the drawings, A and B represent sheets of fabric, which are preferably sufliciently stiff to hold their shape during the molding process of making the block. This fabric is also preferably substantially impervious to plaster. By the term fabric, I mean to include paper, woven material, strawboard, and any other fabric having the requisite qualities of stiffness and imperviousness above specified. At least one of the sheets of fabrlc A and B may be corrugated, as shown in this instance :5 the sheet A being corrugated, and the outer sheet B being flat and the exterior face of at least one of the sheets, as for instance, sheet A has adhering thereto a mass of hardened plastic material C. The plastic may 0 be plaster ofl Paris any other suitable material preferably mixed with excelsior, cocoanut fiber or other binding or lightening material. For special uses asbestos fiber or powder, or magnesia may 5 be mixed 4with the plaster.

cement or the like, or.

When the blocks are to be used in connection with refrigerating construction, both the plastic and the fa-bric should preferably be of waterproof material. An asphalt product mixed with powdered cork may be taken as an example of a waterproof plastlc. The fabric used may be waterproofed 1n any suitable manner as well understood.

In molding the block a mold of any suitable form may be used. A layer of plastic material C is then placed in the bottom of the mold. Preferably the two sheets of material A and B, one corrugated and the other flat are first fastened together in any suitable manner as by means of the upset eyes E with a sheet of insulating material J in between and then this triple layer of fabric 1s placed in the mold on top of the plastic. The insulating layer J may be of any suitable material, as for instance, felt or soft sheet of asbestos. The fabric will adhere to the plastic material as it sets. Another layer of plastic may be added if desired.

In all of the forms of the drawings, it is to be understood that the plastic material C may be on one side of the block as shown in Figs. l, 2 and 3 or on both sides as shown in Fig. 4 and this arrangement of the plastic 1s understood to be interchangeable as desired. In Fig. 2 two corrugated sheets A are shown separated by plastic material C.

Outside of the corrugated sheets are placed the sheets of insulating material J and the flat sheets B of fabric and plastic material C may be provided on one or both sides of Athe block. In this instance the plastic forms the keys G to bind several of the parts together and fasteners E are provided to bind the outer sheet B to one corrugated sheet. In Fig. 3 the corrugated sheet A is placed between two flat sheets B with a layer of insulating material underneath one sheet B and the sheets are fastened together as by means of the fasteners E. D represents the plastic shown on one side only of the block. In Fig. 4 two corrugated sheets A are shown with an intermediate layer of insulating material .I between the same and plastic material C on each side. In this case apertures F are provided in the three sheets and the plastic fills said apertures and forms the keys G to bind the parts together, as in Fig. 2. The layer J may be of any suitable material, as specified.

In all of the forms shown in the drawings, it Will be seen that an air space or spaces are provided in the block. and all of the forms of the block embody this principle.

layer of insulating material and an outer Waterproof sheet of stiffeningrfabrc substantially impervious to plaster applied to said insulating layer, the exterior face of at least one sheet of-vvaterproof stiliening fabric having adherent thereto a mass of hardened Waterproof plastic material mixed with binding or lightening material.

In testimony whereof I have signed this specification in the presence of twosubscribing Witnesses, May 8, 1908.

JOHN E. HoWE.

Witnesses:

E. VAN ZANDT, HERBERT G. OGDEN. 

